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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -*- mode: C++ ; c-file-style: &quot;stroustrup&quot; -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef QWT_TRANSFORM_H</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define QWT_TRANSFORM_H</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;qwt_global.h&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="class_qwt_transform.html">   35</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_transform.html">QwtTransform</a></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;{</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <a class="code" href="class_qwt_transform.html">QwtTransform</a>();</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_transform.html">QwtTransform</a>();</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> bounded( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> transform( <span class="keywordtype">double</span> value ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> invTransform( <span class="keywordtype">double</span> value ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keyword">virtual</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a> *copy() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;};</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="class_qwt_null_transform.html">   77</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_null_transform.html">QwtNullTransform</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;{</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <a class="code" href="class_qwt_null_transform.html">QwtNullTransform</a>();</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_null_transform.html">QwtNullTransform</a>();</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a1093b5856cbc6cf812460535442fb130">transform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a5cfb0a329b8418028baf6974b188d76b">invTransform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keyword">virtual</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a> *<a class="code" href="class_qwt_transform.html#aae011ee4205fa4391459766d88971809">copy</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;};</div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="class_qwt_log_transform.html">   97</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_log_transform.html">QwtLogTransform</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;{</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <a class="code" href="class_qwt_log_transform.html">QwtLogTransform</a>();</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_log_transform.html">QwtLogTransform</a>();</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a1093b5856cbc6cf812460535442fb130">transform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a5cfb0a329b8418028baf6974b188d76b">invTransform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#aef97acf17f900905f2a93cec7f61e643">bounded</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    <span class="keyword">virtual</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a> *<a class="code" href="class_qwt_transform.html#aae011ee4205fa4391459766d88971809">copy</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">#if QT_VERSION &gt;= 0x050400</span></div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> LogMin;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> LogMax;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="class_qwt_log_transform.html#ad16ce32a68b714955412dc8b1b8f6622">  114</a></span>&#160;    QT_STATIC_CONST <span class="keywordtype">double</span> <a class="code" href="class_qwt_log_transform.html#ad16ce32a68b714955412dc8b1b8f6622">LogMin</a>;</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="class_qwt_log_transform.html#ae5b7d96e9a765986cf1fc4b4c1fc7915">  115</a></span>&#160;    QT_STATIC_CONST <span class="keywordtype">double</span> <a class="code" href="class_qwt_log_transform.html#ae5b7d96e9a765986cf1fc4b4c1fc7915">LogMax</a>;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;};</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="class_qwt_power_transform.html">  127</a></span>&#160;<span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_power_transform.html">QwtPowerTransform</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;{</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <a class="code" href="class_qwt_power_transform.html">QwtPowerTransform</a>( <span class="keywordtype">double</span> exponent );</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_power_transform.html">QwtPowerTransform</a>();</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a1093b5856cbc6cf812460535442fb130">transform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a5cfb0a329b8418028baf6974b188d76b">invTransform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keyword">virtual</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a> *<a class="code" href="class_qwt_transform.html#aae011ee4205fa4391459766d88971809">copy</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> d_exponent;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;};</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="preprocessor">#endif</span></div><div class="ttc" id="class_qwt_transform_html_a1093b5856cbc6cf812460535442fb130"><div class="ttname"><a href="class_qwt_transform.html#a1093b5856cbc6cf812460535442fb130">QwtTransform::transform</a></div><div class="ttdeci">virtual double transform(double value) const =0</div></div>
<div class="ttc" id="class_qwt_transform_html"><div class="ttname"><a href="class_qwt_transform.html">QwtTransform</a></div><div class="ttdoc">A transformation between coordinate systems. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:35</div></div>
<div class="ttc" id="class_qwt_log_transform_html"><div class="ttname"><a href="class_qwt_log_transform.html">QwtLogTransform</a></div><div class="ttdoc">Logarithmic transformation. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:97</div></div>
<div class="ttc" id="class_qwt_transform_html_a5cfb0a329b8418028baf6974b188d76b"><div class="ttname"><a href="class_qwt_transform.html#a5cfb0a329b8418028baf6974b188d76b">QwtTransform::invTransform</a></div><div class="ttdeci">virtual double invTransform(double value) const =0</div></div>
<div class="ttc" id="class_qwt_power_transform_html"><div class="ttname"><a href="class_qwt_power_transform.html">QwtPowerTransform</a></div><div class="ttdoc">A transformation using pow() </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:127</div></div>
<div class="ttc" id="class_qwt_log_transform_html_ae5b7d96e9a765986cf1fc4b4c1fc7915"><div class="ttname"><a href="class_qwt_log_transform.html#ae5b7d96e9a765986cf1fc4b4c1fc7915">QwtLogTransform::LogMax</a></div><div class="ttdeci">QT_STATIC_CONST double LogMax</div><div class="ttdoc">Largest allowed value for logarithmic scales: 1.0e150. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:115</div></div>
<div class="ttc" id="class_qwt_log_transform_html_ad16ce32a68b714955412dc8b1b8f6622"><div class="ttname"><a href="class_qwt_log_transform.html#ad16ce32a68b714955412dc8b1b8f6622">QwtLogTransform::LogMin</a></div><div class="ttdeci">QT_STATIC_CONST double LogMin</div><div class="ttdoc">Smallest allowed value for logarithmic scales: 1.0e-150. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:114</div></div>
<div class="ttc" id="class_qwt_null_transform_html"><div class="ttname"><a href="class_qwt_null_transform.html">QwtNullTransform</a></div><div class="ttdoc">Null transformation. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:77</div></div>
<div class="ttc" id="class_qwt_transform_html_aae011ee4205fa4391459766d88971809"><div class="ttname"><a href="class_qwt_transform.html#aae011ee4205fa4391459766d88971809">QwtTransform::copy</a></div><div class="ttdeci">virtual QwtTransform * copy() const =0</div><div class="ttdoc">Virtualized copy operation. </div></div>
<div class="ttc" id="class_qwt_transform_html_aef97acf17f900905f2a93cec7f61e643"><div class="ttname"><a href="class_qwt_transform.html#aef97acf17f900905f2a93cec7f61e643">QwtTransform::bounded</a></div><div class="ttdeci">virtual double bounded(double value) const</div><div class="ttdef"><b>Definition:</b> qwt_transform.cpp:49</div></div>
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